fix(mail/delivery): Centralize runtime/plugin imports and switch modules to use plugins exports; unify EventEmitter usage; update Deno dependencies and small path/server refactors

ts/mail/delivery/classes.delivery.queue.ts

@@ -1,7 +1,4 @@
 import * as plugins from '../../plugins.ts';
-import { EventEmitter } from 'node:events';
-import * as fs from 'node:fs';
-import * as path from 'node:path';
 import { logger } from '../../logger.ts';
 import { type EmailProcessingMode } from '../routing/classes.email.config.ts';
 import type { IEmailRoute } from '../routing/interfaces.ts';
@@ -74,7 +71,7 @@ export interface IQueueStats {
 /**
  * A unified queue for all email modes
  */
-export class UnifiedDeliveryQueue extends EventEmitter {
+export class UnifiedDeliveryQueue extends plugins.EventEmitter {
   private options: Required<IQueueOptions>;
   private queue: Map<string, IQueueItem> = new Map();
   private checkTimer?: NodeJS.Timeout;

ts/mail/delivery/classes.delivery.system.ts

@@ -1,7 +1,4 @@
 import * as plugins from '../../plugins.ts';
-import { EventEmitter } from 'node:events';
-import * as net from 'node:net';
-import * as tls from 'node:tls';
 import { logger } from '../../logger.ts';
 import { 
   SecurityLogger, 
@@ -100,7 +97,7 @@ export interface IDeliveryStats {
 /**
  * Handles delivery for all email processing modes
  */
-export class MultiModeDeliverySystem extends EventEmitter {
+export class MultiModeDeliverySystem extends plugins.EventEmitter {
   private queue: UnifiedDeliveryQueue;
   private options: Required<IMultiModeDeliveryOptions>;
   private stats: IDeliveryStats;

ts/mail/delivery/classes.unified.rate.limiter.ts

@@ -1,5 +1,4 @@
 import * as plugins from '../../plugins.ts';
-import { EventEmitter } from 'node:events';
 import { logger } from '../../logger.ts';
 import { SecurityLogger, SecurityLogLevel, SecurityEventType } from '../../security/index.ts';
 
@@ -84,7 +83,7 @@ export interface IRateLimitResult {
 /**
  * Unified rate limiter for all email processing modes
  */
-export class UnifiedRateLimiter extends EventEmitter {
+export class UnifiedRateLimiter extends plugins.EventEmitter {
   private config: IHierarchicalRateLimits;
   private counters: Map<string, ILimitCounter> = new Map();
   private patternCounters: Map<string, ILimitCounter> = new Map();

ts/mail/delivery/placeholder.ts

@@ -6,3 +6,9 @@
 export class DeliveryPlaceholder {
   // Placeholder for delivery functionality
 }
+
+export class SmtpServer {
+  // Placeholder SMTP server
+  async start() {}
+  async stop() {}
+}

ts/mail/delivery/smtpclient/command-handler.ts

@@ -3,7 +3,7 @@
  * SMTP command sending and response parsing
  */
 
-import { EventEmitter } from 'node:events';
+import * as plugins from '../../../plugins.ts';
 import { SMTP_COMMANDS, SMTP_CODES, LINE_ENDINGS } from './constants.ts';
 import type { 
   ISmtpConnection, 
@@ -19,7 +19,7 @@ import {
 } from './utils/helpers.ts';
 import { logCommand, logDebug } from './utils/logging.ts';
 
-export class CommandHandler extends EventEmitter {
+export class CommandHandler extends plugins.EventEmitter {
   private options: ISmtpClientOptions;
   private responseBuffer: string = '';
   private pendingCommand: { resolve: Function; reject: Function; command: string } | null = null;

ts/mail/delivery/smtpclient/connection-manager.ts

@@ -3,20 +3,18 @@
  * Connection pooling and lifecycle management
  */
 
-import * as net from 'node:net';
-import * as tls from 'node:tls';
-import { EventEmitter } from 'node:events';
+import * as plugins from '../../../plugins.ts';
 import { DEFAULTS, CONNECTION_STATES } from './constants.ts';
-import type { 
-  ISmtpClientOptions, 
-  ISmtpConnection, 
+import type {
+  ISmtpClientOptions,
+  ISmtpConnection,
   IConnectionPoolStatus,
-  ConnectionState 
+  ConnectionState
 } from './interfaces.ts';
 import { logConnection, logDebug } from './utils/logging.ts';
 import { generateConnectionId } from './utils/helpers.ts';
 
-export class ConnectionManager extends EventEmitter {
+export class ConnectionManager extends plugins.EventEmitter {
   private options: ISmtpClientOptions;
   private connections: Map<string, ISmtpConnection> = new Map();
   private pendingConnections: Set<string> = new Set();

ts/mail/delivery/smtpclient/smtp-client.ts

@@ -3,7 +3,7 @@
  * Main client class with delegation to handlers
  */
 
-import { EventEmitter } from 'node:events';
+import * as plugins from '../../../plugins.ts';
 import type { Email } from '../../core/classes.email.ts';
 import type { 
   ISmtpClientOptions,
@@ -30,7 +30,7 @@ interface ISmtpClientDependencies {
   errorHandler: SmtpErrorHandler;
 }
 
-export class SmtpClient extends EventEmitter {
+export class SmtpClient extends plugins.EventEmitter {
   private options: ISmtpClientOptions;
   private connectionManager: ConnectionManager;
   private commandHandler: CommandHandler;

ts/mail/delivery/smtpserver/certificate-utils.ts

@@ -3,17 +3,16 @@
  * Provides utilities for managing TLS certificates
  */
 
-import * as fs from 'fs';
-import * as tls from 'tls';
+import * as plugins from '../../../plugins.ts';
 import { SmtpLogger } from './utils/logging.ts';
 
 /**
  * Certificate data
  */
 export interface ICertificateData {
-  key: Buffer;
-  cert: Buffer;
-  ca?: Buffer;
+  key: plugins.Buffer;
+  cert: plugins.Buffer;
+  ca?: plugins.Buffer;
 }
 
 /**
@@ -155,7 +154,7 @@ export function loadCertificatesFromString(options: {
       const caBuffer = caStr ? Buffer.from(caStr, 'utf8') : undefined;
       
       // Test the certificates first
-      const secureContext = tls.createSecureContext({
+      const secureContext = plugins.tls.createSecureContext({
         key: keyBuffer,
         cert: certBuffer,
         ca: caBuffer
@@ -206,7 +205,7 @@ export function loadCertificatesFromString(options: {
       
       // Validate the certificates by attempting to create a secure context
       try {
-        const secureContext = tls.createSecureContext({
+        const secureContext = plugins.tls.createSecureContext({
           key: keyBuffer,
           cert: certBuffer,
           ca: caBuffer
@@ -253,9 +252,9 @@ export function loadCertificatesFromFiles(options: {
 }): ICertificateData {
   try {
     // Read files directly as Buffers
-    const key = fs.readFileSync(options.keyPath);
-    const cert = fs.readFileSync(options.certPath);
-    const ca = options.caPath ? fs.readFileSync(options.caPath) : undefined;
+    const key = plugins.fs.readFileSync(options.keyPath);
+    const cert = plugins.fs.readFileSync(options.certPath);
+    const ca = options.caPath ? plugins.fs.readFileSync(options.caPath) : undefined;
     
     // Log for debugging
     SmtpLogger.debug('Certificate file properties', {
@@ -266,7 +265,7 @@ export function loadCertificatesFromFiles(options: {
     
     // Validate the certificates by attempting to create a secure context
     try {
-      const secureContext = tls.createSecureContext({
+      const secureContext = plugins.tls.createSecureContext({
         key,
         cert,
         ca
@@ -364,8 +363,8 @@ ORWZbz+8rBL0JIeA7eFxEA==
 export function createTlsOptions(
   certificates: ICertificateData,
   isServer: boolean = true
-): tls.TlsOptions {
-  const options: tls.TlsOptions = {
+): plugins.tls.TlsOptions {
+  const options: plugins.tls.TlsOptions = {
     key: certificates.key,
     cert: certificates.cert,
     ca: certificates.ca,

ts/mail/delivery/smtpserver/data-handler.ts

@@ -4,8 +4,6 @@
  */
 
 import * as plugins from '../../../plugins.ts';
-import * as fs from 'fs';
-import * as path from 'path';
 import { SmtpState } from './interfaces.ts';
 import type { ISmtpSession, ISmtpTransactionResult } from './interfaces.ts';
 import type { IDataHandler, ISmtpServer } from './interfaces.ts';

ts/mail/routing/classes.email.router.ts

@@ -1,12 +1,11 @@
 import * as plugins from '../../plugins.ts';
-import { EventEmitter } from 'node:events';
 import type { IEmailRoute, IEmailMatch, IEmailAction, IEmailContext } from './interfaces.ts';
 import type { Email } from '../core/classes.email.ts';
 
 /**
  * Email router that evaluates routes and determines actions
  */
-export class EmailRouter extends EventEmitter {
+export class EmailRouter extends plugins.EventEmitter {
   private routes: IEmailRoute[];
   private patternCache: Map<string, boolean> = new Map();
   private storageManager?: any; // StorageManager instance

ts/mail/routing/classes.unified.email.server.ts

@@ -1,6 +1,5 @@
 import * as plugins from '../../plugins.ts';
 import * as paths from '../../paths.ts';
-import { EventEmitter } from 'events';
 import { logger } from '../../logger.ts';
 import { 
   SecurityLogger, 
@@ -154,7 +153,7 @@ export interface IServerStats {
 /**
  * Unified email server that handles all email traffic with pattern-based routing
  */
-export class UnifiedEmailServer extends EventEmitter {
+export class UnifiedEmailServer extends plugins.EventEmitter {
   private dcRouter: DcRouter;
   private options: IUnifiedEmailServerOptions;
   private emailRouter: EmailRouter;